<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>数组</title>
  <link rel="stylesheet" href="../css/common.css">
</head>

<body>
  <div>
    <input type="text" id="txtInfo" placeholder="信息">
    <button id="btnArr">添加到数组</button>
    <span id="spArr"></span>
    <select id="selArr">
      <!-- <option value="1">冬冬</option> -->
    </select>
    <button id="btnSave">保存数据</button>
  </div>


  <script src="js/b03.js"></script>
</body>

</html>